A man and a woman meet by accident on a Sunday evening at their childrens' boarding school. Slowly, they reveal themselves to each other, finding that they have something deeply in common.
| Actor | Role |
|---|---|
 Anouk AiméeAnne Gauthier | Anne Gauthier |
 Jean-Louis TrintignantJean-Louis Duroc | Jean-Louis Duroc |
 Pierre BarouhPierre Gauthier | Pierre Gauthier |
 Valérie LagrangeValérie Duroc | Valérie Duroc |
 Antoine SireAntoine Duroc | Antoine Duroc |
 Souad AmidouFrançoise Gauthier | Françoise Gauthier |
 Henri CheminJean-Louis' Co-pilot | Jean-Louis' Co-pilot |
 Yane BarryJean-Louis' Mistress | Jean-Louis' Mistress |
 Paul Le PersonGas Station Attendant | Gas Station Attendant |
 Simone ParisDirector of the Pension | Director of the Pension |
 Gérard SireRadio Announcer | Radio Announcer |
 Gérard LarrousseRally Driver | Rally Driver |
| CClive RobertsRally Driver | Rally Driver |
 Jean CollombWaiter | Waiter |